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Please checkout the new poll we will be pushing hard, and want some good stories to come out of this
result are public - you can change your vote over time, which might genuinely be the case from time to time.
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I have two 415V busbars separated by a bus section which is normally open. Busbar 1 and busbar 2 are normally fed separately by transformer 1 and...
Hi All.
Firstly would like to say thanks to everyone who reads this and provides any useful information.
I have used the search button and have...
Hello every one,
I am a new user or you may say a new installer of explosion proof wiring systems.
Any one please tell me about the Conduit...
Hi All
I have been tasked by my company to find out as much information on the Panel Boards we have fitted at present. It is a GEC System 4 and is...
hi i have to wire up a few 3hp 5A 3 phase motors and usually use a 3 core swa but is there an alternative cable to use apart from singles?? Thanks...
is it possible to get a 3ph motor rewound to single phase as i need same housing for apump:)
Here’s the scenario:
240/480V split phase, rural overhead, ‘Farm’ supply.
From the main house Hager DB, two ways are used to supply 50A, both...
Chaps,
i have been asked to build a new control panel for an irrigation system.
Now, long story short, there was one there, but vandals have...
I have quoted for a job of fitting a CT chamber and doing the intake alterations to change a 100A 3-ph supply to 200A 3-ph and in doing so...
I have been asked to put together a proposal to replace 176 x 400 Watt High Bays for a more energy efficient option. The client has been told by...
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Hiya all, Could someone possbile explain 3 phase to me, or link us to a decent website which could tell me. I work for an industrial electricial...
my supplier is telling me these are not available-is this true?
i doubt it:cool:
as the test button won't be fully operational using a 230v rcd...
I'm wondering if any one can give me some adivce. I'm a compex, 2391 electrician who has limited offshore experience. I'm struggling to find work...
Hi is it poss to get single phase all in one contactor/overload for small induction motors 1-2 Kw.We have lots of small motors for swimming pools...
Can someone please explain to me how a 3 phase star and delta connection works. I get the fact that the 3 phases are carrying a current and you...
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hi doing some lights in a commercial unit and want to switch them on contacters question is need to obviously have overcurrent protection how do...
hello sparks i have a number of sodium (SON) low bay light fittings and was wondering was it possible to use metal hailide lamps with them so they...
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Hey all.
Can anybody help me out on this..
Which areas do we use a cable ladder, and in which areas a cable tray?
I have always been a theoretical fan of this lighting solution since I found out about it, but cannot get any quotes!
Does anyone know any UK...
Hello All
I've installed a Danfoss VLT Micor Drive FC 51 to control the speed of a rubber belt conveyor. I have no problems using it Manually...
Morning!
Got a question relating to Emergency lighting please.
I work on a industrial pharmaceutical production site, over the next 4years we...
Here’s one to start me off
This nearly resulted in the death of an electrician!
Day 1
Lost one phase to a large storage shed DB. Immediately...
Motor power factor correction
I’ve been playing around in Excel again. If any one wants a copy of this sheet send me a PM. I’ll also send the...
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Hi,
I have been asked by my boss to look into whats involved with decommissioning a large UPS system for a customer.
I have an HND Electronics...
Hi, I run a catering vehicle with a generator but I want tofind out if I can run it off an inverter with batteries but don’t know how...
Hi,
I have installed VLT FC51 to control the speed of motor based on values it receives from Differential Pressure Transmitter (DPT). However...
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Hi,
I have a pizza press at work with heating elements going through the large metal platens that form the top and bottom press. The heating...
Howz it Lads & Ladettes!
There's a huge project afoot!
No cable spec yet! Would anyone have a incline to what cable size might be required for...
Looking to link a C-TEC conventional to a COOPER MF400, any advise on how to do this guys?
Hello and thankyou in advance for reading this thread.
I have a problem which is completely beyond my experience but if I don't try to help a lot...
Does anyone know of a forum similar to this specialising in Offshore working?
I am working for a company that has loads of bus bar running around the factory. They have asked me to supply some new bus bar tap off boxes ,but...
Hi guys,
I have been asked to install some extra lights inside a lift car.
I'm unsure how to proceed. first off am I even allowed to carry out...
Hi,
I have wired an extension on my dads dairy that is constructed out of food grade panels (sheets of insulation sandwiched by sheets of metal)...
bored just now and found this
Termination of 240 mm2 LV XLPE cable using thimble designed for 400 mm2 cable - YouTube
surely he shouldnt be...
I know I’ve run this thread before but I’ve just found some new photo’s of where I worked. This was a normal Sunday nights start up. I used to...
I'm working at a shop in Southampton oing some electrical work and the owner has just asked asked fire alarm enginer to test the existing system...
Is this correct. We have removed a 2KW air extraction fan today to relocate. L1L2L3 connected to U1V1W1 but their wasn't any links fitted to make...
Hi All
I have come across two 3 phase in line WOODS fans rated @ 0.22 kW / 0.6 amps connected together on one overload. This does not seem...
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